jspdf
html2canvas
npm install -S jspdf
html
npm install -S html2canvas
前端
新建 htmlToPdf.js
// 导出页面为PDF格式
import html2Canvas from 'html2canvas'
import JsPDF from 'jspdf'
export default{
install (Vue, options) {
Vue.prototype.getPdf = function () {
let title = this.htmlTitle
html2Canvas(document.querySelector('#pdfDom'), {
allowTaint: true
}).then(function (canvas) {
let contentWidth = canvas.width
let contentHeight = canvas.height
let pageHeight = contentWidth / 592.28 * 841.89
let leftHeight = contentHeight
let position = 0
const imgWidth = 595.28
let imgHeight = 592.28 / contentWidth * contentHeight
let pageData = canvas.toDataURL('image/jpeg', 1.0)
let PDF = new JsPDF('', 'pt', 'a4')
if (leftHeight < pageHeight) {
PDF.addImage(pageData, 'JPEG', 0, 10, imgWidth, imgHeight)
} else {
while (leftHeight > 0) {
PDF.addImage(pageData, 'JPEG', 0, position, imgWidth, imgHeight)
leftHeight -= pageHeight
position -= 841.89
if (leftHeight > 0) {
PDF.addPage()
}
}
}
PDF.save(title + '.pdf')
}
)
}
}
}
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在主函数 main.js 中引入 注册
import htmlToPdf from '@/utils/htmlToPdf' // 路径仅为示例
Vue.use(htmlToPdf)
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在 须要打印页面的最外层DOM上添加 id="pdfDom"
npm
pdf文件命名,须要传参 htmlTitle
,在data中声明。canvas
eg:bash
return {
htmlTitle: '项目法律信息',
}
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getPdf()
eg:<el-button type="primary" @click="getPdf()">生成报告</el-button>
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